204 NORTH AMERICAN FLORA 
Stipe white, then sordid-yellowish; pileus grass-green. 
XVII. FIncrsives 
Pileus flavous, buff, or fawn-colored. 
Pileus isabelline, with testaceous and ochraceous tints. 
Pileus white, often tinged with yellow in the center. 
XVIII. 
Pileus viscid when wet, without pruinose bloom. 
Pileus luteous; lamellae deep-yellow. 
Pileus amber-yellow to golden-yellow; lamellae pale-yellow; 
slightly acrid. 
Pileus dry or at least pruinose, avellaneous-isabelline; lamellae pale-yellow. 
LUTEAE 
taste 
XIX. DECOLORANTES 
Pileus some shade of red. 
Spores yellow. 
Wounds becoming cinereous. 
Pileus varying from light-red to orange. 
Pileus dark-red, often blackish in the center. 
Wounds first becoming red, then black. 
Spores white. 
Stipe becoming black when wounded. 
Stipe not becoming black when wounded. 
Pileus yellow. 
XX. BETULINAE 
Taste mild; without special odor. 
Pileus reddish-salmon colored on the margin, becoming yellowish on 
the disk; stipe white. 
Pileus rosy or red, fading, yellowish on the disk; stipe yellow to orange 
at the base. 
Pileus rosy-incarnate to rosy-orange, with white or pale spots; stipe 
tinged with rose. 
Pileus vinaceous, dull-Indian-purple, Pompeian-red, or livid-brown, 
fading; stipe white or washed with pinkish. 
Taste bitter or becoming more or less astringent when mature; odor dis- 
agreeable and foetid with age or in drying; pileus blood-red-brown to 
red-brown. 
XXI. OcHROPHYLLAE 
Pileus dull-red; stipe reddish. 
XXT. INTEGRAE 
Pileus more than 6 cm. broad. 
Odor not characteristic. 
Stipe not tinged with red. 
Pileus varying from dark-dull-red to reddish-brown, fading. 
Pileus varying from apricot-color on the margin to yellow in the 
center, becoming fulvous in drying. 
Stipe tinged with red. 
Pileus Morocco-red, varying to Mars-orange, often apricot- 
yellow on the disk. 
Pileus dark-purple, nearly black on the disk; up to 22 em. broad. 
Odor resembling that of fresh meal; stipe white, rarely rose-colored; 
pileus varying from red to incarnate or bay-purple. 
Pileus less than 6 cm. broad. 
Stipe white. 
Pileus red, sometimes darker on the disk. 
Pileus salmon to reddish-salmon or yellowish-salmon, Morocco-red 
on the disk. 
Pileus whitish or pale-gray, brown on the disk. 
Stipe white or with yellowish stains; pileus slate-violet to livid-umber, 
darker on the disk. 
Stipe rose-colored; pileus pale-olive-brown, purplish-red or rose-red 
on the disk. 
XXII. ALvTackae 
Stipe more or less tinged with red; pileus dull-red to purplish-red, fading 
on the disk. 
Stipe white. 
Odor not characteristic. 
Pileus varying from rose-red to purple and lilac; becoming yellow 
on the disk or over almost the eatire surface. 
Pileus vinous-purple with blackish or greenish center; lamellae 
becoming pale-yellow; cystidia absent. 
Pileus reddish-violaceous, without green shades; lamellae becoming 
ochraceous; cystidia present. 
Odor disagreeable with age; pileus purple-brown on the disk, dull- 
garnet toward the margin. 
73. 
75. 
99. 
100. 
101. 
102. 
.R. 
WR. 
.R. 
[VoLUME 9 
graminicolor. 
Jingibilis. 
stricta, 
R. albida. 
ne 
RRR RR 
. lutea. 
flaviceps. 
sulcatipes. 
decolorans. 
obscura. 
rubescens. 
. nigrescentipes, 
. subdepallens. 
flava. 
. betulina. 
. Luteobasis. 
. roseipes. 
. Subalutacea. 
. astringens. 
R. ochrophylia. 
ad 
mom wR oh 
. integra, 
. fulvescens. 
. rubrotincta. 
- maxima. 
. melliolens. 
. pusilla. 
. humidicola. 
. Blackfordae. 
. puellaris. 
. Sphagnophila. 
alutacea. 
. chamaeleontina. 
. abietina, 
Turci. 
. nauseosa. 
